<?php
/* -------------------------------------------------------------------------------------
* 	ID:						$Id: payment.php 11 2013-09-21 11:43:11Z phone.mueller@googlemail.com $
* 	Letzter Stand:			$Revision: 11 $
* 	zuletzt geaendert von:	$Author: siekiera $
* 	Datum:					$Date: 2013-09-21 11:43:11 +0000 (Sat, 21 Sep 2013) $
*
* 	SEO:mercari by Siekiera Media
* 	http://www.seo-mercari.de
*
* 	Copyright (c) since 2011 SEO:mercari
* --------------------------------------------------------------------------------------
* 	based on:
* 	(c) 2000-2001 The Exchange Project  (earlier name of osCommerce)
* 	(c) 2002-2003 osCommerce - www.oscommerce.com
* 	(c) 2003     nextcommerce - www.nextcommerce.org
* 	(c) 2005     xt:Commerce - www.xt-commerce.com
*
* 	Released under the GNU General Public License
* ----------------------------------------------------------------------------------- */

defined( '_VALID_XTC' ) or die( 'Direct Access to this location is not allowed.' );
// include needed functions
require_once(DIR_FS_INC.'inc.count_payment_modules.php');

class payment {
  var $modules, $selected_module, $db;

  // class constructor
  function payment($module = '') {
    global $PHP_SELF,$order, $db;

	$this->db = $db;
    if (defined('MODULE_PAYMENT_INSTALLED') && not_null(MODULE_PAYMENT_INSTALLED)) {
      $this->modules = explode(';', MODULE_PAYMENT_INSTALLED);

      $include_modules = array();

      if ( (not_null($module)) && (in_array($module . '.' . substr($PHP_SELF, (strrpos($PHP_SELF, '.')+1)), $this->modules)) ) {
        $this->selected_module = $module;

        $include_modules[] = array('class' => $module, 'file' => $module . '.php');
      } else {
        reset($this->modules);
        while (list(, $value) = each($this->modules)) {
          $class = substr($value, 0, strrpos($value, '.'));
          $include_modules[] = array('class' => $class, 'file' => $value);
        }
      }
      // load unallowed modules into array
      $unallowed_modules = explode(',', $_SESSION['customers_status']['customers_status_payment_unallowed'].','.$order->customer['payment_unallowed']);
      // add unallowed modules/Download
      if ($order->content_type == 'virtual' || ($order->content_type == 'virtual_weight')) {
        $unallowed_modules = array_merge($unallowed_modules,explode(',',DOWNLOAD_UNALLOWED_PAYMENT));
      }

      //print_r($include_modules);
      for ($i = 0, $n = sizeof($include_modules); $i < $n; $i++) {
        if (!in_array($include_modules[$i]['class'], $unallowed_modules)) {
          // check if zone is alowed to see module
          if (constant(MODULE_PAYMENT_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ALLOWED) != '') {
            $unallowed_zones = explode(',', constant(MODULE_PAYMENT_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ALLOWED));
          } else {
            $unallowed_zones = array();
          }
          $check_flag = false;
          if (defined(MODULE_PAYMENT_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ZONE)) {
            $check = $this->db->db_query("SELECT zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " WHERE geo_zone_id = '" . constant(MODULE_PAYMENT_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ZONE) . "' and zone_country_id = '" . $order->billing['country']['id'] . "' ORDER BY zone_id");
            while (!$check->EOF) {
              if ($check->fields['zone_id'] < 1) {
                $check_flag = true;
                break;
              } elseif ($check->fields['zone_id'] == $order->billing['zone_id']) {
                $check_flag = true;
                break;
              }
			  $check->MoveNext();
            }
          }
          if (in_array($_SESSION['delivery_zone'], $unallowed_zones) == true || count($unallowed_zones) == 0 || $check_flag) {
            if ($include_modules[$i]['file']!='' && $include_modules[$i]['file']!='no_payment') {

              include(DIR_FS_LANGUAGES . $_SESSION['language'] . '/modules/payment/' . $include_modules[$i]['file']);
              include(DIR_FS_CATALOG_MODULES . 'payment/' . $include_modules[$i]['file']);

            }
            $GLOBALS[$include_modules[$i]['class']] = new $include_modules[$i]['class'];
          }
        }
      }
      // if there is only one payment method, select it as default because in
      // checkout_confirmation.php the $payment variable is being assigned the
      // $HTTP_POST_VARS['payment'] value which will be empty (no radio button selection possible)
      if ( (count_payment_modules() == 1) && (!is_object($_SESSION['payment'])) ) {
        $_SESSION['payment'] = $include_modules[0]['class'];
      }

      if ( (not_null($module)) && (in_array($module, $this->modules)) && (isset($GLOBALS[$module]->form_action_url)) ) {
        $this->form_action_url = $GLOBALS[$module]->form_action_url;
      }
    }
  }

  // class methods
  /* The following method is needed in the checkout_confirmation.php page
  due to a chicken and egg problem with the payment class and order class.
  The payment modules needs the order destination data for the dynamic status
  feature, and the order class needs the payment module title.
  The following method is a work-around to implementing the method in all
  payment modules available which would break the modules in the contributions
  section. This should be looked into again post 2.2.
  */
  function update_status() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module])) {
        if (function_exists('method_exists')) {
          if (method_exists($GLOBALS[$this->selected_module], 'update_status')) {
            $GLOBALS[$this->selected_module]->update_status();
          }
        } else { // PHP3 compatibility
          @ call_user_func('update_status', $GLOBALS[$this->selected_module]);
        }
      }
    }
  }

  function javascript_validation() {
    $js = '';
    if (is_array($this->modules)) {
      $js = '<script type="text/javascript"><!-- ' . "\n" .
      'function check_form() {' . "\n" .
      '  var error = 0;' . "\n" .
      '  var error_message = unescape("' . js_lang(JS_ERROR) . '");' . "\n" .
      '  var payment_value = null;' . "\n" .
      '  if (document.getElementById("checkout_payment").payment.length) {' . "\n" .
      '    for (var i=0; i<document.getElementById("checkout_payment").payment.length; i++) {' . "\n" .
      '      if (document.getElementById("checkout_payment").payment[i].checked) {' . "\n" .
      '        payment_value = document.getElementById("checkout_payment").payment[i].value;' . "\n" .
      '      }' . "\n" .
      '    }' . "\n" .
      '  } else if (document.getElementById("checkout_payment").payment.checked) {' . "\n" .
      '    payment_value = document.getElementById("checkout_payment").payment.value;' . "\n" .
      '  } else if (document.getElementById("checkout_payment").payment.value) {' . "\n" .
      '    payment_value = document.getElementById("checkout_payment").payment.value;' . "\n" .
      '  }' . "\n\n";

      reset($this->modules);
      while (list(, $value) = each($this->modules)) {
        $class = substr($value, 0, strrpos($value, '.'));
        if ($GLOBALS[$class]->enabled) {
          $js .= $GLOBALS[$class]->javascript_validation();
        }
      }
      if (DISPLAY_CONDITIONS_ON_CHECKOUT == 'true') {
        $js .= "\n" . '  if (!document.getElementById("checkout_payment").conditions.checked) {' . "\n" .
        '    error_message = error_message + unescape("' . js_lang(ERROR_CONDITIONS_NOT_ACCEPTED) . '");' . "\n" .
        '    error = 1;' . "\n" .
        '  }' . "\n\n";
      }
      $js .= "\n" . '  if (payment_value == null) {' . "\n" .
      '    error_message = error_message + unescape("' . js_lang(JS_ERROR_NO_PAYMENT_MODULE_SELECTED) . '");' . "\n" .
      '    error = 1;' . "\n" .
      '  }' . "\n\n" .
      '  if (error == 1 && submitter != 1) {' . "\n" . // GV Code Start/End
      '    alert(error_message);' . "\n" .
      '    return false;' . "\n" .
      '  } else {' . "\n" .
      '    return true;' . "\n" .
      '  }' . "\n" .
      '}' . "\n" .
      '//--></script>' . "\n";
    }

    return $js;
  }

  function selection() {
    $selection_array = array();

    if (is_array($this->modules)) {
      reset($this->modules);
      while (list(, $value) = each($this->modules)) {
        $class = substr($value, 0, strrpos($value, '.'));
        if ($GLOBALS[$class]->enabled) {
          $selection = $GLOBALS[$class]->selection();
          if (is_array($selection)) $selection_array[] = $selection;
        }
      }
    }

    return $selection_array;
  }

  //GV Code Start
  //ICW CREDIT CLASS Gift Voucher System
  // check credit covers was setup to test whether credit covers is set in other parts of the code
  function check_credit_covers() {
    global $credit_covers;

    return $credit_covers;
  }
  // GV Code End

  function pre_confirmation_check() {
    global $credit_covers, $payment_modules; // GV Code ICW CREDIT CLASS Gift Voucher System
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {

        if ($credit_covers) { // GV Code ICW CREDIT CLASS Gift Voucher System
          $GLOBALS[$this->selected_module]->enabled = false; // GV Code ICW CREDIT CLASS Gift Voucher System
          $GLOBALS[$this->selected_module] = NULL; // GV Code ICW CREDIT CLASS Gift Voucher System
          $payment_modules = ''; // GV Code ICW CREDIT CLASS Gift Voucher System
        } else { // GV Code ICW CREDIT CLASS Gift Voucher System
          $GLOBALS[$this->selected_module]->pre_confirmation_check();
        }
      }
    }
  }

  function confirmation() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {
        return $GLOBALS[$this->selected_module]->confirmation();
      }
    }
  }

  function process_button() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {
        return $GLOBALS[$this->selected_module]->process_button();
      }
    }
  }

  function before_process() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {
        return $GLOBALS[$this->selected_module]->before_process();
      }
    }
  }

  function payment_action() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {
        return $GLOBALS[$this->selected_module]->payment_action();
      }
    }
  }

  function after_process() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {
        return $GLOBALS[$this->selected_module]->after_process();
      }
    }
  }

  function get_error() {
    if (is_array($this->modules)) {
      if (is_object($GLOBALS[$this->selected_module]) && ($GLOBALS[$this->selected_module]->enabled) ) {
        return $GLOBALS[$this->selected_module]->get_error();
      }
    }
  }
}
?>